The respiratory system is the one that is responsible for breathing. During the breathing process, oxygen is taken into the lungs from the atmosphere and carbon dioxide is exhale out of the system.
The lungs facilitate excretion by excreting carbon dioxide and water vapors via diffusion and exhalation.<span />
Answer:
In layman's terms, epidemiologists work to answer the “who, what, where, when, and whys” of the field. Epidemiologists study the distribution and determinants of health-related outbreaks. ... Most epidemiologists today hold a Master's in Public Health (MPH), though some have a doctoral degree in epidemiology as well.
Explanation:
PRESS THE CROWN
Answer:
D. Oxygen
Explanation:
Oxygen is the most abundant element in the bodies of living things. For example, oxygen is about 65% of the human body.
Oxygen in the body is mostly in the form of water, since the bodies of living things need water to create energy needed every day.
B I think I’m not fully sure but from what I see it’s B
